256246046 has 16 divisors (see below), whose sum is σ = 462399360. Its totient is φ = 104039640.

The previous prime is 256246037. The next prime is 256246051. The reversal of 256246046 is 640642652.

It is a junction number, because it is equal to n+sod(n) for n = 256245997 and 256246015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481400 + ... + 481931.

It is an arithmetic number, because the mean of its divisors is an integer number (28899960).

Almost surely, 2^256246046 is an apocalyptic number.

256246046 is a deficient number, since it is larger than the sum of its proper divisors (206153314).

256246046 is a wasteful number, since it uses less digits than its factorization.

256246046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963359.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 256246046 is about 16007.6870908948. The cubic root of 256246046 is about 635.1637794420.

Adding to 256246046 its reverse (640642652), we get a palindrome (896888698).

The spelling of 256246046 in words is "two hundred fifty-six million, two hundred forty-six thousand, forty-six".